1. It is generally not recommended to wash your hair immediately after eating, because after eating, a large amount of blood accumulates in the abdominal cavity, which will lead to a relative lack of blood supply to the cerebral blood vessels. Most people eat You may feel dizzy after eating, which is caused by insufficient blood supply to the brain. If especially the elderly or those with insufficient blood supply to the brain, washing their hair after eating can easily lead to spasm of the cerebral blood vessels and worsen the lack of blood supply to the brain.

2. It is generally recommended here that you wash your hair two to three hours after eating. This is better, because two to three hours after eating, the blood in the whole body is distributed at this time. It is relatively even, and the blood distribution in the brain is also relatively even.